Radeon HD 6740G2 vs Radeon RX 640
When choosing between Radeon HD 6740G2 and Radeon RX 640, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon HD 6740G2 and Radeon RX 640.
Radeon HD 6740G2 and Radeon RX 640 are Laptop Graphics Cards
Note: Radeon HD 6740G2 and Radeon RX 640 are only used in laptop graphics. They have lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon HD 6740G2 or Radeon RX 640 here:
Main Specs
Radeon HD 6740G2
Radeon RX 640
Power consumption (TDP)
50 Watt
Interface
PCIe 3.0 x8
Supplementary power connectors
None
Memory type
GDDR5
Maximum RAM amount
4 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
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Both cards are used in Laptops.
Radeon HD 6740G2 is build with Terascale 2 architecture, and Radeon RX 640 - with Polaris.
Radeon HD 6740G2 is manufactured by 40 nm process technology, and Radeon RX 640 - by 14 nm process technology.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
0−1
5−6
ultra / 1080p
0−1
3−4
QHD / 1440p
0−1
2−3
low / 720p
10−12
16−18
medium / 1080p
2−3
7−8
The average gaming FPS of Radeon RX 640 in Assassin's Creed Odyssey is 100% more, than Radeon HD 6740G2.
high / 1080p
−
10−12
ultra / 1080p
3−4
8−9
QHD / 1440p
0−1
0−1
low / 720p
12−14
24−27
medium / 1080p
4−5
10−12
The average gaming FPS of Radeon RX 640 in Battlefield 5 is 114% more, than Radeon HD 6740G2.
low / 768p
50−55
45−50
high / 1080p
45−50
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6740G2 in Call of Duty: Warzone is 11% more, than Radeon RX 640.
low / 768p
110−120
130−140
medium / 768p
85−90
100−110
ultra / 1080p
35−40
50−55
QHD / 1440p
−
27−30
4K / 2160p
10−11
12−14
high / 768p
60−65
80−85
The average gaming FPS of Radeon RX 640 in Counter-Strike: Global Offensive is 24% more, than Radeon HD 6740G2.
low / 768p
70−75
50−55
ultra / 1080p
12−14
18−20
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6740G2 in Cyberpunk 2077 is 12% more, than Radeon RX 640.
low / 768p
70−75
80−85
medium / 768p
40−45
55−60
ultra / 1080p
18−20
30−35
The average gaming FPS of Radeon RX 640 in Dota 2 is 29% more, than Radeon HD 6740G2.
high / 1080p
2−3
7−8
ultra / 1080p
2−3
5−6
4K / 2160p
0−1
5−6
low / 720p
9−10
18−20
medium / 1080p
3−4
8−9
The average gaming FPS of Radeon RX 640 in Far Cry 5 is 150% more, than Radeon HD 6740G2.
high / 1080p
−
7−8
ultra / 1080p
5−6
0−1
QHD / 1440p
1−2
0−1
low / 720p
45−50
60−65
medium / 1080p
7−8
18−20
The average gaming FPS of Radeon RX 640 in Fortnite is 48% more, than Radeon HD 6740G2.
high / 1080p
2−3
10−11
QHD / 1440p
0−1
−
4K / 2160p
−
8−9
low / 720p
14−16
24−27
medium / 1080p
5−6
12−14
The average gaming FPS of Radeon RX 640 in Forza Horizon 4 is 128% more, than Radeon HD 6740G2.
low / 768p
40−45
50−55
high / 1080p
3−4
10−12
ultra / 1080p
2−3
5−6
QHD / 1440p
0−1
−
medium / 720p
35−40
45−50
The average gaming FPS of Radeon RX 640 in Grand Theft Auto V is 38% more, than Radeon HD 6740G2.
high / 1080p
1−2
3−4
ultra / 1080p
0−1
1−2
4K / 2160p
0−1
−
low / 720p
2−3
10−11
medium / 1080p
2−3
5−6
The average gaming FPS of Radeon RX 640 in Metro Exodus is 200% more, than Radeon HD 6740G2.
low / 768p
85−90
90−95
high / 1080p
55−60
−
ultra / 1080p
−
80−85
The average gaming FPS of Radeon RX 640 in Minecraft is 5% more, than Radeon HD 6740G2.
high / 1080p
14−16
6−7
ultra / 1080p
12−14
2−3
4K / 2160p
−
0−1
low / 720p
24−27
27−30
medium / 1080p
14−16
10−11
The average gaming FPS of Radeon HD 6740G2 in PLAYERUNKNOWN'S BATTLEGROUNDS is 41% more, than Radeon RX 640.
ultra / 1080p
3−4
−
QHD / 1440p
0−1
−
low / 720p
4−5
10−12
medium / 1080p
−
9−10
The average gaming FPS of Radeon RX 640 in Red Dead Redemption 2 is 175% more, than Radeon HD 6740G2.
low / 768p
7−8
21−24
medium / 768p
6−7
14−16
high / 1080p
3−4
6−7
ultra / 1080p
−
4−5
4K / 2160p
0−1
3−4
The average gaming FPS of Radeon RX 640 in The Witcher 3: Wild Hunt is 180% more, than Radeon HD 6740G2.
low / 768p
70−75
75−80
medium / 768p
35−40
40−45
ultra / 1080p
12−14
18−20
high / 768p
30−33
35−40
The average gaming FPS of Radeon RX 640 in World of Tanks is 15% more, than Radeon HD 6740G2.
Full Specs
Radeon HD 6740G2
Radeon RX 640
Architecture
Terascale 2
Polaris
Code name
Polaris 12
Type
Laptop
Laptop
Release date
14 June 2011
12 August 2019
Pipelines
880
640
Core clock speed
1218 MHz
Boost Clock
1218 MHz
Transistor count
2,200 million
Manufacturing process technology
40 nm
14 nm
Texture fill rate
38.98
Memory bus width
64 Bit
Memory clock speed
6000 MHz
Memory bandwidth
112.0 GB/s
Shared memory
-
-
DirectX
DirectX 11, Shader 5.0
12 (12_0)
Shader Model
6.4
OpenGL
4.6
OpenCL
2.0
Vulkan
1.2.131
FreeSync
+
Laptop size
medium sized
large
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